<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="处理类型" prop="type">
        <el-select v-model="queryParams.type" placeholder="请选择处理类型" clearable>
          <el-option v-for="dict in dict.type.sys_jkyx_type" :key="dict.value" :label="dict.label"
            :value="dict.value" />
        </el-select>
      </el-form-item>
      <el-form-item label="用户名" prop="userName">
        <el-input v-model="queryParams.userName" placeholder="请输入用户名" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" @click="handleAdd">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" :disabled="multiple" @click="handleDelete">删除</el-button>
      </el-col>
    </el-row>

    <el-table v-loading="loading" :data="jkyxList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="用户名" align="center" prop="userName" />
      <el-table-column label="处理类型" align="center" prop="type">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_jkyx_type" :value="scope.row.type" />
        </template>
      </el-table-column>
      <el-table-column label="原始图像" align="center" prop="filePath" width="100">
        <template slot-scope="scope">
          <image-preview :src="scope.row.filePath" :width="50" :height="50" />
        </template>
      </el-table-column>
      <el-table-column label="处理后图像" align="center" prop="filePath" width="100">
        <template slot-scope="scope">
          <image-preview :src="scope.row.resultPath" :width="50" :height="50" />
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center" prop="createTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
           <el-button size="mini" type="text" icon="el-icon-view" @click="handleView(scope.row)">查看</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
      @pagination="getList" />

    <!-- 添加或修改监控影像处理记录对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item v-if="renderField(true, false)" label="处理类型" prop="type">
          <el-select v-model="form.type" placeholder="请选择处理类型">
            <el-option v-for="dict in dict.type.sys_jkyx_type" :key="dict.value" :label="dict.label"
              :value="parseInt(dict.value)"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item v-if="renderField(true, true)" label="文件路径" prop="filePath">
          <image-upload v-model="form.filePath" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>

    <!-- 图片对比对话框 -->
    <el-dialog :title="imageCompareTitle" :visible.sync="imageCompareOpen" width="80%" top="5vh" append-to-body>
      <div class="image-compare-container">
        <el-row :gutter="20">
          <el-col :span="12">
            <div class="image-box">
              <h4>原始图像</h4>
              <img :src="currentImages.original" alt="原始图像" style="width: 100%; max-height: 400px; object-fit: contain;">
            </div>
          </el-col>
          <el-col :span="12">
            <div class="image-box">
              <h4>处理后图像</h4>
              <img :src="currentImages.processed" alt="处理后图像" style="width: 100%; max-height: 400px; object-fit: contain;">
            </div>
          </el-col>
        </el-row>
      </div>
      <template #footer>
        <div class="dialog-footer">
          <el-button @click="closeImageCompare">关 闭</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script>
import { listJkyx, getJkyx, delJkyx, addJkyx, updateJkyx } from "@/api/fun/jkyx";

export default {
  name: "Jkyx",
  dicts: ['sys_jkyx_type'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 监控影像处理记录表格数据
      jkyxList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        type: null,
        userName: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      },
      // 图片对比对话框
      imageCompareOpen: false,
      imageCompareTitle: "图片对比",
      // 当前对比的图片数据
      currentImages: {
        original: "",
        processed: ""
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询监控影像处理记录列表 */
    getList() {
      this.loading = true;
      listJkyx(this.queryParams).then(response => {
        this.jkyxList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    /** 取消按钮 */
    cancel() {
      this.open = false;
      this.reset();
    },
    /** 表单重置 */
    reset() {
      this.form = {
        id: null,
        userId: null,
        type: null,
        filePath: null,
        createTime: null,
        userName: null,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 多选框选中数据  */
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id);
      this.single = selection.length != 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加监控影像处理记录";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids;
      getJkyx(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改监控影像处理记录";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateJkyx(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addJkyx(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除监控影像处理记录编号为"' + ids + '"的数据项？').then(function () {
        return delJkyx(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => { });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('function/jkyx/export', {
        ...this.queryParams
      }, `jkyx_${new Date().getTime()}.xlsx`);
    },
    /** 是否渲染字段 */
    renderField(insert, edit) {
      return this.form.id == null ? insert : edit;
    },
    /** 查看图片对比 */
    handleView(row) {
      this.currentImages = {
        original: process.env.VUE_APP_BASE_API + row.filePath,
        processed: process.env.VUE_APP_BASE_API + row.resultPath
      };
      this.imageCompareOpen = true;
    },
    /** 关闭图片对比对话框 */
    closeImageCompare() {
      this.imageCompareOpen = false;
      this.currentImages = {
        original: "",
        processed: ""
      };
    }
  },
};
</script>

<style scoped>
.image-compare-container {
  padding: 20px;
}

.image-box {
  text-align: center;
  border: 1px solid #e4e7ed;
  border-radius: 4px;
  padding: 15px;
  background-color: #f5f7fa;
}

.image-box h4 {
  margin: 0 0 15px 0;
  color: #303133;
  font-size: 16px;
  font-weight: 500;
}

.image-box img {
  border-radius: 4px;
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
}
</style>